[R] lognorm
Hi! I 've a problem to have a lognorm distribution with mean=1 and var (or sigma)=1. rlnorm(1000,0,0) rlnorm(1000,1,1) rlnorm(1000,0,1) ? Can you help me? __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
[R] count element in column
Hi, I 've a matrix n*1 (thus a column) and I would like to count the number of negative element inside. Can you help me? Thanks! eg: res[,1]= 1 -3 -1 How obtain the number 2 (number of negative-element)? __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
[R] Un peu d'aide
Bonjour, Je voudrais faire un petit programme sous R dans lequel je ferais intervenir des parametres que j'initialiserais dans R directement ou dans un fichier txt(des naturels, reels et caracteres). N'auriez vous pas des programmes deja fait qui reprennent ces techniques? De plus, je voudrais pouvoir travailler avec la distribution exp (rexp) de parametres: moyenne=1 et variance=1. J'ai un petit prob pour introduire la variance. D'avance Merci Fred __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
[R] vector
Hi! Can you help me? I would like to make a vector from p pre-determined vector. The parameter p can change. I've try with ?c with unsuccess! An idee? Sorry for my english! Thanks Fred __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
